Pith Number

pith:HIFWQHW3

pith:2015:HIFWQHW3EQK6HPF5YE3MCW2BNX

not attested not anchored not stored refs pending

Matrix Lie groups as 3-dimensional almost contact B-metric manifolds

Hristo Manev

arxiv:1503.00312 v1 · 2015-03-01 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIFWQHW3EQK6HPF5YE3MCW2BNX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:41:47.613139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0b681edb2415e3bcbdc136c15b416dec5fef0f7733bbde0080e0e837d4364d

Aliases

arxiv: 1503.00312 · arxiv_version: 1503.00312v1 · doi: 10.48550/arxiv.1503.00312 · pith_short_12: HIFWQHW3EQK6 · pith_short_16: HIFWQHW3EQK6HPF5 · pith_short_8: HIFWQHW3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HIFWQHW3EQK6HPF5YE3MCW2BNX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3a0b681edb2415e3bcbdc136c15b416dec5fef0f7733bbde0080e0e837d4364d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dddfa1b61171e6e00a269005f895849bbe3a44d2a10be01c5cd87c669804865c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-01T17:10:23Z",
    "title_canon_sha256": "15ba729ba7602e0297077dd30be6d8976af5bae726c03dd24a21a4e33fd55ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00312",
    "kind": "arxiv",
    "version": 1
  }
}